Control Unit
AL55x / VAG_8HPTU_AUAC36E0
Audi SQ7 4.0 TDI Bi-Turbo 435hp · Diesel
ZF
Diesel
300.0 kW / 408 HP
Legal notice
Race / export product. Tuning files are intended exclusively for motorsport, export and test-bench research — not road-legal (Art. 55 Reg. (EU) 2018/858). Disabling AGR / DPF / SCR voids the operating permit EU-wide and may void warranty and guarantee claims. The buyer bears sole responsibility for use.
Original ECU File
Original file
Verified, unmodified read-out file — the basis for your fileservice.
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Verified original file
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Fileservice – how it works
1
Read out original fileRead the control unit with a tool — KESS3, Autotuner, FLEX.
2
Order tuningChoose your optimisation and pay — PayPal, credit card, bank transfer.
3
Send the fileFile + order number to info@stefanel-performance.com.
4
Receive optimised fileThe processed file comes back by e-mail — ready to flash.
Processing usually within 24 hours
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Technical data
| Vehicle | Audi SQ7 4.0 TDI Bi-Turbo 435hp |
| Vehicle type | Passenger Car |
| Fuel | Diesel |
| Engine code | CZAC |
| Displacement | 3956 ccm (4.0 L) |
| Power | 300.0 kW / 408 HP |
| Year | 2017 |
| Transmission | Automatic Transmission |
| ECU manufacturer | ZF |
| ECU designation | AL55x |
| ECU prod. no. | 20160822_162944_FRDC17700 |
| Hardware no. | VAG_8HPTU_AUAC36E0 |
| Software version | 002010EV_TCMALX52011 |
| File size | 4,194,304 Bytes |
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